"Fetch details" needs outgoing HTTPS from your server to t.me. Ask your host to allow it. Until then, submitters can type the name and choose the type by hand, and you should switch off "Hide expired links" in the Link Health Checker.
"Fetch details" needs outgoing HTTPS from your server to t.me. Ask your host to allow it. Until then, submitters can type the name and choose the type by hand, and you should switch off "Hide expired links" in the Link Health Checker.